名校
解题方法
1 . 已知函数
.
(1)若直线
与曲线
相切,求b的值;
(2)若关于x的方程
有两个实数根
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08eff10ac609235a35c960aa2dc394d.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07660a8dd3273fed0435630901cf8503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a891b1fd6db25a664f553fa1cf2652.png)
您最近一年使用:0次
2023-05-10更新
|
705次组卷
|
2卷引用:云南省昆明市2023届高三“三诊一模”高考模拟考试数学试题
名校
2 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若函数
有两个零点
(其中
),且不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a2dc9525bcebbeedeb93fa0f0ff7fd.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6b693b2ace2a0477597dd0fe1f7d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f17bfdfcff239741a620ac772aa489f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-03-14更新
|
1685次组卷
|
5卷引用:云南省昆明市2023届“三诊一模”高三复习教学质量检测数学
云南省昆明市2023届“三诊一模”高三复习教学质量检测数学湖北省武汉市5G联合体2022-2023学年高二下学期期中联考数学试题(已下线)专题05导数及其应用(解答题)(已下线)河南省信阳市2023-2024学年高三上学期第二次教学质量检测数学试题变式题17-22(已下线)专题3 导数与函数的零点(方程的根)【练】
名校
3 . 已知函数
.
(1)讨论
的单调性;
(2)设函数
,若
有两个极值点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a9ca4a0993c2ba3f54955acab42318.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e365e8ba4771bc5b61f41bac73cfca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eea593c79973e97f6f3cdf621cdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694c99143dcd6fdc8138efa03d0c3350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3199aafd68cd832540f3914fb40ced71.png)
您最近一年使用:0次
2022-10-20更新
|
942次组卷
|
2卷引用:云南省昆明市第一中学2023届高三上学期第二次双基检测数学试题
名校
解题方法
4 . 已知函数
.
(1)当
时,求
在
上的最大值;
(2)当
时,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfd29d7643b350f7768fcb8313a2ea5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-09-09更新
|
1502次组卷
|
5卷引用:云南省昆明市第三中学2023届高三上学期11月月考数学学科能力测试试题
名校
5 . 已知函数
,
.
(1)若
在
上单调递增,求
的取值范围;
(2)若
使得
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d00106cba4592d0989f815ac37c1f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2576e78ed5ae21caba4d69abb4e8cb90.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33aecced0bc22f1d80ee9cc3d6992bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce2594833690eedb3328fe747feb3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177ee07a3f4850de163e26420b95be5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a71492270809ba97d418e2db8fd756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48350c9f896c18a64f27867ca81c9be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2022-03-25更新
|
466次组卷
|
2卷引用:云南省昆明市第一中学西山学校2022届高三3月月考数学(理)试题
名校
解题方法
6 . 已知函数
,
.
(1)当
时,设函数
在区间
上的最小值为
,求
;
(2)设
,若函数
有两个极值点
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a35c267862c082fbdd4e6dce769de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eb829e3338a9e4be598124855685e8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812b1efe6b4a2c6cdabfaf0d903bfecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f252477a0de25fb08083c50b12b9fbb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6dce404b0bd7671b522eb99ca71f76.png)
您最近一年使用:0次
2020-04-21更新
|
711次组卷
|
5卷引用:云南师范大学附属中学2021届高三高考适应性月考卷(六)数学(理)试题
7 . 已知函数
在区间
内没有极值点.
(1)求实数
的取值范围;
(2)若函数
在区间
的最大值为
且最小值为
,求
的取值范围.
参考数据:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb3dc46aef7ef612b93a241a1b91b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f511880834175ac4546ea7cc7758b1b0.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ba15a3514e41e8e45caf67edeabee1b.png)
您最近一年使用:0次
名校
8 . 已知函数
,且
.
(1)求
;
(2)证明:
存在唯一极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427a3493f9402bd8c042b71362a0b0ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babc2bdb59e9ae1821bd48e7395474d8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fdeabee5d81770621fddb60562e7f7.png)
您最近一年使用:0次
9 . 已知函数
,
.
(1)若曲线
的切线
经过点
,求
的方程;
(2)若方程
有两个不相等的实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aebf798213615bbf6b7911fb0667745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e2512fa0dd8a511729929e2a69ad6e.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49756172230de326c6b84e89bcf0eae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc154a401be4ce83bc265d130365744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-05-14更新
|
1176次组卷
|
2卷引用:【全国市级联考】云南省昆明市2018届高三5月适应性检测数学文试题